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- Title
Biológiailag aktív peptidek a tejben.
- Authors
Péter, Hejel; Róbert, Kocsis; László, Könyves; Katalin, Helyes
- Abstract
Milk of mammals is a unique and complex food and has a high nutritive value. The most important nutrients in milk and their concentrations are well known. However, both colostrum and milk contain, or are the source of molecules that exert biological functions, such as bioactive peptides. 514 proteins have been identified in cow milk and colostrum, 352 of them in the cell fraction and 162 in the fluid phase. Many of these bioactive molecules possess antibacterial, antiviral, antifungal or antioxidant properties. Some regulate metabolic and immune processes. Others contribute to maintaining gut integrity, the barrier function of the gut. Opioid and antihypertensive peptides are also intensively researched and we have also identified peptides that can be used effectively in the prevention of certain tumours, thrombosis, caries or osteoporosis. Some peptides function as vasorelaxants, others may be antagonists of certain toxins. Due to the wide range of proposed beneficial effects on human health, milk proteins are considered as potential ingredients for the production of health-promoting functional foods. Although we know more and more about bioactive compounds and have described the mode of action of new bioactive molecules, most of the evidence for bioactive effects comes from in vitro studies, and there is need for further research to fully evaluate the true potential of milk-derived bioactive factors and to investigate allergenic and toxic properties and the stability of these molecules. Universal guidelines for the evaluation of BAPs in humans, such as adequately powered double blind randomised clinical trials are needed. In this review we give a short, scientifically founded review of bioactive peptides in milk and their proven effects that contribute to maintaining human health.
- Subjects
MILK proteins; OPIOID peptides; FUNCTIONAL foods; BIOACTIVE compounds; PEPTIDES
- Publication
Magyar Állatorvosok Lapja, 2021, Vol 143, Issue 1, p47
- ISSN
0025-004X
- Publication type
Article